Kanagawa, Japan

Sumio Ishii

This inventor holds 1 USPTO granted patent. Top assignee: Shicoh Engineering Co., Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumio Ishii. Retrieved from https://idiyas.com/inventor/sumio-ishii-iabghrql

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Sumio Ishii: Innovator in Brushless Motor Technology

Introduction

Sumio Ishii is a notable inventor based in Kanagawa, Japan. He is recognized for his contributions to the field of motor technology, particularly in the development of brushless motors. His innovative designs have paved the way for advancements in various applications.

Latest Patents

Ishii holds a patent for a disk-type single-phase brushless motor. This motor is designed to generate a sufficient magnitude of reluctance torque, ensuring self-starting and continued rotation while minimizing disagreeable noises. The motor features a stator yoke positioned in opposition to a magnet rotor, with an axial air gap maintained between them. The unique design includes a cutaway portion in the stator yoke, which facilitates self-starting. This cutaway has a specific shape that enhances the motor's performance.

Career Highlights

Sumio Ishii has made significant strides in his career, particularly through his work at Shicoh Engineering Co., Ltd. His expertise in motor technology has contributed to the company's reputation for innovation and quality. Ishii's work has been instrumental in advancing the capabilities of brushless motors.

Collaborations

Ishii has collaborated with fellow inventor Manabu Shiraki, further enhancing the development of motor technologies. Their partnership has led to innovative solutions and improvements in the field.

Conclusion

Sumio Ishii's contributions to brushless motor technology exemplify his dedication to innovation. His patent for the disk-type single-phase brushless motor showcases his ability to solve complex engineering challenges. Ishii's work continues to influence the industry and inspire future advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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